You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen Jones.

ASSISTANT: Jones, how can I assist you today?

USER: I need to book a flight ticket on 04/05 to 04/07, Can you please help me for booking?

ASSISTANT: Sure, I am glad to help you. Can you please let me know your airport codes?

USER: My take off PHX to DEN.

ASSISTANT: Jones, there is a flight available in Southwest airlines with 1 connection and the ticket fare is 100 only. Shall I book the ticket?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked successfully and the flight number is 1026.

USER: Thanks for your information.

ASSISTANT: You are welcome and thank you for choosing us.