You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to visit Phoenix zoo with my children. Please book a ticket from HOU to PHX.

ASSISTANT: sure, can I know your travel dates?

USER: My travel dates are 10/19 and 10/21. My name is Brenda Gonzalez.

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

USER: Sure.

ASSISTANT: The flight 1013 of UA airlines is available on your requested dates. Shall I proceed?

USER: Please proceed with my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.