You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER:  This is Stephen Thomas from Phoenix.

ASSISTANT: What kind of help do you want to seek from us?

USER: I need your flight booking service, As I am searching for a flight from Phoenix to Seattle. Can you serve me in this?

ASSISTANT: Sure, I can help you with the best services we have.

USER:  Thank you for your response.

ASSISTANT: Let me know, From which city airport you want to board?

USER: I want to board from Phoenix Sky Harbour International airport, AZ - PHX.

ASSISTANT: When do you want to start your journey to reach Seattle?

USER: I want to visit Fremont Troll with my cousin on 07/10, So I need you to book ticket on 07/09.

ASSISTANT: May I know, when will you catch the return flight?

USER: I will catch return flight to reach Dallas on 07/11.

ASSISTANT: Could you let me know the Seattle airport code?

USER:  WA - SEA is the Seattle airport code.

ASSISTANT: At what price range, you want to travel?

USER: I need to travel with a price range of 1000.

ASSISTANT: We can book your trip right now, but we need to know your connection limit. Can you provide it?

USER:  Sure, Usually I am looking for a connecting flight.

ASSISTANT:  Ok, Please wait for a couple of minutes.

USER:  Sure, Make it fast.

ASSISTANT: Thanks for your time. Sorry Stephen, We could not provide you the flight right now, due to some technical issues at your destination airport.

USER: That's ok, You have done a great job. Thanks for your effort in booking process.

ASSISTANT: Thank you for visiting us. For the next time you made a visit, We try to provide you the flight.

USER: I hope so.