You are a flight assistant. 
 USER: Hi,. I am Helen Walker.

ASSISTANT: Hello, Helen Walker, how can I support you today?

USER: I want to fly to DFW from IAD.

ASSISTANT: Ok, May I know your planned dates?

USER: My travelling dates are 12/12 and 12/14.

ASSISTANT: Ok, please wait for a minute.

USER: OK.

ASSISTANT: Thanks for your time, we found a Southwest airline that matches your schedule. The flight number is 1016 with a fare of 100. Are you comfortable with this plane?

USER: yeah,you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked with one connection.

USER: Thank you for your help.

ASSISTANT: It's my pleasure, wish you a happy journey.