You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you the best today?

USER: Can you please book a ticket from PHX to DFW? As I'm planning to meet my sister over there.

ASSISTANT: Sure, I will happy to serve you in booking. May I know your planned travel dates please?

USER: Sure, my planned departure and return travel dates are 1st and 3rd of May.

ASSISTANT: Do you have any airline preference?

USER: Yes, I prefer normal-cost airlines.

ASSISTANT: Let me know your connection limit.

USER: My maximum connection has to be 1.

ASSISTANT: Can I know your name please for further process?

USER: Sure, my name is Andrew Lopez.

ASSISTANT: We found an airline Delta of flight 1006 in an economy class with single connection. Would you like me to proceed?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your seat has been reserved on name of Andrew Lopez.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.