You are a flight assistant. 
 USER: Hello. I am Melissa Harris.

ASSISTANT: Hello, how may I assist you?

USER: I planned to meet my cousin in DFW, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: I prefer to travel on Sep 2 and Sep 4.

ASSISTANT: At what time do you like to move from PHX?

USER: I am comfortable with all the timings.

ASSISTANT: We found a economy flight on your details with airline Delta, flight number: 1018. Shall I reserve this ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.