You are a flight assistant. 
 USER: Hello, myself Sarah Wright.

ASSISTANT: Hello Sarah Wright. How can I help you?

USER: I am planning to book a flight ticket to DEN from LGA, can you please help me out?

ASSISTANT: May I know the travel dates please?

USER: Sure, my planned travelling dates are Nov 08 and 10.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any class preference? Is there any time concern.

USER: Yes, my return time is to be in morning.

ASSISTANT: May I know the connection limit?

USER: Sure, I am looking for a flight with 1 connection..

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Are there any other concerns?

USER: No.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: Sarah Wright. I am sorry  to inform you that there are no preferable flights on your route with your requests.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching.