You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Larry Baker.

ASSISTANT: How may I assist you today?

USER: I am planning to attend music concert at PHX, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Ok, may I know your travelling dates please?

USER: Sure, I would like to take off on 06/19 and return back on 06/21.

ASSISTANT: Please wait for a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry, no flights are available for your journey.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.