You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Anthony Perez. I have to attend a meeting in Philadelphia, can you please book a flight ticket from PHL to PHL?

ASSISTANT: Sure, I can help you. can I have your journey dates please?

USER: My departure day is 04/25 and return day is 04/27.

ASSISTANT: Ok, please wait a moment to check the availability.

USER: Ok.

ASSISTANT: As per your criteria there is a flight with Delta airlines with 1 connection. Can I proceed your booking?

USER: Please proceed.

ASSISTANT:  Anthony, your booking is confirmed with 10011, have a happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Welcome.