You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Nancy Taylor.

ASSISTANT: How may I help you today?

USER: I want to book a flight ticket to attend International Conference on Social Issues in Phoenix, AZ - PHX. Can you please help me in booking a flight ticket from Charlotte, NC - CLT?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My journey dates are from 12/03 to 12/05.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found 1002 flight in Delta airline with single connection and fare of 200.

USER: Ok, please book my flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.