You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: I am Ruth Baker, want to travel from DEN to EWR. Please help me in booking my ticket.

ASSISTANT: Sure. Can I know your travelling dates?

USER: Sure, my travelling dates are from 09/29 to 10/01.

ASSISTANT: Do you need any break?

USER: Yes, I need a single break.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found according to your requirement.

USER: It's ok, thank you for your time.

ASSISTANT: Thank you for opting us.