You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Thompson here.

ASSISTANT: How can I aid you at this moment?

USER: I need your help in booking of a flight ticket from ORD to PHX for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I can help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: Thank you. I am planning to move on 04/29 and please book my return ticket on 05/01.

ASSISTANT: Just give me a moment, I will check is there any flight available or not in this route as per your requested dates.

USER: Ok, take your time but please bring a flight with connection 1.

ASSISTANT: Sure. Sorry no single stop over flights available in this route as per your requested dates.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.