You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from IAD to BOS, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are from Apr 21st to Apr 23rd.

ASSISTANT: Do you require any stopovers in your journey?

USER: I am comfortable with any stopover.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No, I don't have any other preferences.

ASSISTANT: Please share your name.

USER: I am Lisa Collins.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Spirit Airlines with price 100 and single connection. Shall I proceed with booking?

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1024 in economy class.

USER: Thank you for your support in booking.

ASSISTANT: Thanks for reaching us.