You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I am planning to attend a Seminar in Seattle SEA from LGA. Can you find a flight ticket for me?

ASSISTANT: Sure, I am euphoric to help you with booking. On which dates would you like me to book a flight ticket for you?

USER: Thank you. My planned trip dates are on June 09 and return on June 11.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: May I know your good name please?

USER: Ok, I am Melissa Roberts.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I want to return in the afternoon time.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: That's fine, no problem. Thank you for your help.

ASSISTANT: Thanks for approaching us, wish you a great day.