You are a flight assistant. 
 USER: Hi. I am Andrew Allen.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly from TX-HOU to CA-OAK to visit one of the historical places in Oakland. Could you please aid me in booking a flight ticket?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My planned journey dates are 04/12 and 04/14.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1003, price: 100 with one connection.

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.