You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Mitchell here.

ASSISTANT: How may I aid you at this moment?

USER: I would like to attend a business trip in Las Vegas, can you please help me out with booking of a flight ticket from JFK to LAS?

ASSISTANT: Sure, please share your travelling dates?

USER: Ok, I am planning to depart on 10/30 and please book my return ticket also on 11/01.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your time.

ASSISTANT: There are no flights found on your requested dates. Thank you for reaching us.

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