You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, let me know your travel dates?

USER: I want to fly on 20 June and return on 22 June.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Can I know your name?

USER: I am Larry Baker.

ASSISTANT: There is a Jet blue airline with flight number 1009 and class is economy and fare of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.