You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Pamela Anderson. I want to watch live music concern at Washington, DC - DCA. Can you please make a reservation with a price limit of 500?

ASSISTANT: Sure, Can you provide me trip dates please?

USER: I would like to depart on 12/10 and return on 12/12.

ASSISTANT: May I know your source point please?

USER: My origin is Denver, CO - DEN.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting unfortunately there is no flights found on your details.

USER: Ok, it's not a problem.

ASSISTANT: Thanks for connecting us, have a great day.

USER: Thanks for your response.