You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Myself Shirley White. Will you help me in booking the flight ticket from IAD to SFO?

ASSISTANT: Sure, I am here to help you. May I know your preferred travel dates?

USER: My preferable journey dates are 04/04 and 04/06.

ASSISTANT: Is there any fare limit?

USER: Yes, my price limit is 5000.

ASSISTANT: We found a direct flight on your route. Is that okay?

USER: I need a flight with single connection.

ASSISTANT: We are unable to provide any connecting flights at this moment.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.