You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be your helping hand?

USER: I want to book a light ticket to Oakland, CA-OAK to participate in hummer tour, can you help  me to book a flight ticket from Dallas, TX-DFW?

ASSISTANT: Ok. May I have your name?

USER: I am Christoper Allen..

ASSISTANT: On which dates you are willing to travel?

USER: I intend to start on 01/09 and my return date will be on 01/11.

ASSISTANT: We have a flight with 1 connection of price 100 in 1021 flight. With Southwest airline. Is it comfortable to you?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket was confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.