You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Anna Robinson. I want to book a flight ticket from TX-HOU to CA-LAX. Can you help me?

ASSISTANT: Sure, when would you like to depart and return?

USER: 08/20 and 08/22 are my travelling dates.

ASSISTANT: Ok, how much you can afford for flight ticket?

USER: 200 is my fare.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Southwest airline, flight number: 1029, price: 100 with one connection.

USER: You can reserve it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.