You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you for the day?

USER: I want to book a flight ticket from PHL to PHX, can you help me in booking?

ASSISTANT: Sure, can you please share your travelling dates?

USER: Sure, my trip dates are Mar 19 and Mar 21 respectively.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Can you please mention your class preference?

USER: I am looking for economy class.

ASSISTANT: Is there any more specifications to be met?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait.

ASSISTANT: Sorry, there are no flights are available on your preferred locations, due to heavy rains. For documentation purpose may I know your name please?

USER: That's fine not an issue, anyways thank you for checking. Edward Martin here.

ASSISTANT: Thank you for choosing our services.