You are a flight assistant. 
 USER: Hi. I am Joshua Martin.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking from PHX to DFW, as there is a business meeting to attend?

ASSISTANT: Sure, I am here to help you. Can you please let me know your travel dates?

USER: My trip dates are Jan 15 to Jan 17.

ASSISTANT: Ok, do you have any class preference?

USER: No, but I prefer a flight which depart in morning.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Flight-1010 is available in UA airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: You can reserve it.

ASSISTANT: Your ticket is booked in economy class. Flight departure time is at 10:00AM and arrival time is at 19:00PM.

USER: Thank you.

ASSISTANT: You are most welcome.