You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to visit  Phoenix, will you help me in booking the flight ticket from IAD to PHX?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are Dec 06 and Dec 08.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Are there any more specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name please?

USER: Myself Rebecca Scott.

ASSISTANT: We found a connecting flight with American airlines, flight number 1028, and the fare of 100 in economy class. Shall I proceed? Your ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.