You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Frank Davis want to meet my husband at Philadelphia,PA-PHL. Can you book a connecting flight?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are 04/16 and 04/18.

ASSISTANT: Please share me your source and destination codes.

USER: I will depart from TX-IAH.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1013 and price is 100.

USER: you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank  you for booking.

ASSISTANT: Thank you for opting us.