You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from IAD to SEA for an important meeting, can you please search is there any flight available for me?

ASSISTANT: May I know your desired travel dates please?

USER: Thank you for your response, I want to take off on Apr 05 and book my return ticket also on Apr 07.

ASSISTANT: Do you have any connection limit?

USER: I need 1 break in between my journey.

ASSISTANT: May I know your name please?

USER: Sure, my name is David Thompson.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked, flight number 1021 with Hawaiian Airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.