You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from DEN to PHX, can you help me to book a flight ticket?

ASSISTANT: Provide me with the travel dates please.

USER: My trip dates are Sept 22 and Sept 24.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: May I know if you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Are there any more preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Anna Clark.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Delta Airlines with flight 1007 is providing service on your route with connecting flight and the cost of 100.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is booked where departure DEN 11:00 hours Sept 22 and arrival PHX 7:00 hours Sept 24.

USER: Thank you.

ASSISTANT: Thank you for reaching us.