You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How may I be of your service?

USER: I would like to book a flight ticket with a fare of 500.

ASSISTANT: Sure, could you please let me know your travelling dates?

USER: Sure, I intend to start on 09/09 and end on 09/11.

ASSISTANT: Ok, may I know your journey points?

USER: I want to travel from DC - IAD to CA - OAK.

ASSISTANT: Do you have any connection limit?

USER: Yes, I do have one connection limit.

ASSISTANT: Please wait a wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found according to your connection limit.

USER: Ok, thank you for your response.

ASSISTANT: Thank you.