You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Garcia.

ASSISTANT: How may I aid you?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you help me in changing my reservation?

ASSISTANT: Sure, we are here to help you. Please hold on a minute, I will check the records.

USER: Sure.

ASSISTANT: Virginia Garcia, your reservation was found. Could you please share me your new airport codes?

USER: My origin is ORD and destination is DEN.

ASSISTANT: Let me know your travelling dates?

USER: I would start on 06/06 and return on 06/08.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a break in the middle.

ASSISTANT: Ok, is there any class preference?

USER: Yes, I prefer to travel in a economy class.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Sorry to inform that, there is no flights found on your routes.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a nice day.