You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Catherine Robinson.

ASSISTANT: How can I assist you?

USER: I would like to travel from SEA to HOU to spend my weekend with my friends. Can you help me in booking a ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: I am planning to travel on dates 02/20 and 02/22.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: The flight 1022 of AA airlines is available on your request. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.