You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Edwards.

ASSISTANT: John, how can I aid you today?

USER: Can you help me in booking on 01/25 to 01/27, as there is a conference meeting to attend at Phoenix?

ASSISTANT: Sure, I am here to help you with that. Please tell us your airport codes.

USER: My source is DEN and destination is PHX.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight of fare 100 and the airline naming as AA, shall I book this ticket?

USER: You can confirm it.

ASSISTANT: John, your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.