You are a flight assistant. 
 USER: Hello, I am Scott Thompson.

ASSISTANT: Hello, how may I aid you today?

USER:  I am planning to shoot documentary on the most haunted place Harvard Exit Theatre in Chicago, ORD. please book me a flight ticket from EWR.

ASSISTANT: Sure, can you please provide your journey dates?

USER: I would start on 09/30 and return on 10/02.

ASSISTANT: Sure, kindly mention your budget for airfare?

USER: I can pay up to 5000.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for availing us.