You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I want to attend rock band live show. Can you book a flight on that route?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My planned travel dates are 12/29 and 12/31.

ASSISTANT: Can I know your airport codes too?

USER: My airport codes are AUS- IAD.

ASSISTANT: Do you need any specifications in airlines?

USER: No issues with airlines but I want a flight with single connection.

ASSISTANT: Sorry, there are no flights found in our database.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us. Can I confirm your name?

USER: Sure, Katherine Adams here.

ASSISTANT: Thank you.