You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Lisa Baker, here.

ASSISTANT: Ok.

USER: I would like to visit the Zoo Park in PHL. So I would like to book a ticket from PHL.

ASSISTANT: Sure, can I know the details of travel?

USER: My travel dates are 01/21 to 01/23.

ASSISTANT: UA airlines flight 1006 matches with your preferences, can I proceed?

USER: If the connection limit is 1, please proceed.

ASSISTANT: Your ticket is booked. Thank you, have a safe flight.

USER: Thanks for booking my ticket.