You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: My name is Stephen King, I want to book a flight to New York, NY-LGA to attend meeting with client. Can you book a connecting flight for me?

ASSISTANT: Sure, we are ecstatic to help you. May I know on which dates you are willing to travel?

USER: I will fly on 03/27 and return on 03/29.

ASSISTANT: Kindly share your source airport code.

USER: My source airport is AZ-PHX.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us.