You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please help me with booking a flight ticket from LAS to PHX?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travel dates are 04/24 and 04/26.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: That's all, thanks for asking.

ASSISTANT: May  I know your name please?

USER: My name is Jonathan Mitchell.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for the reaching us.