You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best I can serve you today?

USER: I would like to meet my friend at New York, will you help me in booking the flight ticket on Apr 19?

ASSISTANT: Sure, we are here to help you in booking. Please share your boarding and landing airport codes.

USER: My airport codes are SEA and JFK?

ASSISTANT: Please let me know if you have any connection preference.

USER: I need a flight with single connection.

ASSISTANT: When do you want to return?

USER: I would like to return on Apr 21.

ASSISTANT: Can I have your name please?

USER: Myself Benjamin Hill.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: I didn't have any specifications.

ASSISTANT: Ok, please wait a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by UA airline with the flight number-1011. Shall I book the ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your seat has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.