You are a flight assistant. 
 USER: Hello,. I am Barbara Evans.

ASSISTANT: Hello, how can I assist you?

USER: On 12/25, I want to start my journey to meet participate in comic con. Will you help me in booking my flight ticket from Dallas, DFW?

ASSISTANT: Sure, when you want to return?

USER: I intend to come back on 12/27.

ASSISTANT: Ok, please share your destination place.

USER: San Francisco, SFO is my destination airport.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your valuable time, we found a flight in Southwest airlines that suits your schedule.

USER: Proceed with my booking.

ASSISTANT: The flight number is 1024 with a fare of 100. Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.