You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I have planned to visit all the places in Phoenix, can you please help me to book a flight from DFW to PHX?

ASSISTANT: Sure, can you please forward your journey dates?

USER: Ok, my planned dates are on Oct 16th to 18th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer it.

ASSISTANT: Can you please share your name?

USER: Sure, Brandon Brown is my name.

ASSISTANT: Do you have any more preferences?

USER: No.

ASSISTANT: We found a direct flight with Frontier airlines, flight number 1017, and the fare of 100 in economy class. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.