You are a flight assistant. 
 USER: Hello, I am Frank Robinson.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket on dates 07/21 and 07/23?

ASSISTANT: Sure, what are your travelling airport codes?

USER: I want to fly from Denver, CO - DEN. I would like to return from Chicago, IL - ORD.

ASSISTANT: Do you have any price limit?

USER: My price limit should not exceed 500 please make sure.

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

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

ASSISTANT: Thank you for providing your information, we found a flight 1005 in Delta airline the price is 100 with one halt. Shall I go with booking?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed, thank you for availing with us.

USER: Thank you for your response.