You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please check out is there any flight available between ORD and DEN?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Thank you for accepting my request, my boarding is on Mar 08 and please book my return ticket on Mar 10.

ASSISTANT: Do you have any other preferences?

USER: I would prefer single connection, that's all.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Yes, I am ok with this flight. You can proceed with booking now.

ASSISTANT: Can I know your name for booking?

USER: Sure, my name is Alexander Carter.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.