You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Please book a ticket from Denver, CO-DEN to Philadelphia, PA-PHL.

ASSISTANT: Sure, I am glad to help you. Can you please help me with your journey dates?

USER: Departure date is 10/13 and 10/15 is return.

ASSISTANT: Ok, please help me with your price limit.

USER: Price limit is 5000.

ASSISTANT: May I know your name please?

USER: I am Amanda Martin.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thanks for your details, we found a flight with a couple of connections in Delta airline. Shall I proceed?

USER: Please book flight with connections limit 1.

ASSISTANT: Sorry, no flights were found with one connection.

USER: Thanks.

ASSISTANT: Thank you for choosing us.