You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Debra Mitchell here.

ASSISTANT: Yes Debra, how may I assist you?

USER: Can you find a flight with a price limit of 5000 for me?

ASSISTANT: Yes, I can find. May I know your source and destination airport codes?

USER: I am playing a game of Tennis in Denver were a championship is going on and I am participating in it.  I will travel there from AUS on 03/07.

ASSISTANT: Ok.

USER: These are my destination details that is DEN on 03/09.

ASSISTANT: Ok, give me a moment to check the availability on your route.

USER: Sure.

ASSISTANT: Debra, Delta airline is available on your dates with only 1 connection. Can I book it for you?

USER: Ok, there is a airline available, that's good. Please book it.

ASSISTANT: Successfully your ticket is booked with flight number 1016.

USER: Thanks I appreciate your service.

ASSISTANT: It's our pleasure. Thank you for contacting us.