You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Martinez here. I have a concert to attend at Philadelphia. Can you help me in booking a ticket from ORD to PHL?

ASSISTANT: Carolyn Martinez, how can I aid you out? Sure, I am very much gleeful to help you with your booking concern.

USER: Thanks.

ASSISTANT: Please share me your trip  dates.

USER: Ok, my preferred trip dates are 06/20 and 06/22.

ASSISTANT: Please wait a moment. Let me check.

USER: Ok, take your time.

ASSISTANT: Thank you waiting, there is a flight with two connection limit and the price is 100. Can I proceed with it?

USER: No, please check for a single connection flight.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: As per your request, we found a flight with 1 connection and the price is 300.Can I proceed with it?

USER: My ticket budget is 200.

ASSISTANT: I regret to inform you that there is no flight with your budget. Sorry for inconvenience.

USER: Ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.