You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Please help me to book a flight ticket from IAD to SFO.

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are from Feb, 04 to Feb, 06.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Betty Hill.

ASSISTANT: You have a connecting flight 1009 in Hawaiian airlines and price 200, Shall I proceed?

USER: Please proceed.

ASSISTANT:  Your ticket has been processed and it will be send to your Email-Id shortly.

USER: Thank you for booking.

ASSISTANT: Thank you.