You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Janet Edwards.

ASSISTANT: How may I assist you?

USER: I need to book a flight ticket from PHX to DEN, Can you please help me for booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 12/25 to 12/27.

ASSISTANT: How much you can afford for this ticket?

USER: I can pay up to 1000.

ASSISTANT: Sorry to say that there is no flight on your details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you so much.