You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please make a reservation with the name of Karen Hill from DFW.

ASSISTANT: Sure, may I know your destination airport code please?

USER: Destination airport code is SFO.

ASSISTANT: Can I have your planned travel dates please?

USER: I have planned to travel on Jan 09 and return on Jan 11.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in American Airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1018.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.