You are a flight assistant. 
 USER: Hello, I am Debra Jones.

ASSISTANT: Hello, how may I best serve you?

USER: I would like to visit Navajo Adventure at San Francisco, can you please book me a ticket?

ASSISTANT: Sure, I would be happy to help you. When do you planned your journey dates to visit adventure?

USER: My travelling dates are from 11/10 to 11/12.

ASSISTANT: Do you need any connection limit in between journey?

USER: I prefer one lay by in between journey.

ASSISTANT: Can you please provide me which airports would you like to travel?

USER: I would like to travel from IAD to SFO.

ASSISTANT: Is there any price limit for you in booking a ticket?

USER: I can afford 200.

ASSISTANT: Ok, please wait a moment, I will check and revert you with the details.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights available on your journey dates.

USER: Ok, no problem. Thanks for your service.

ASSISTANT: Thanks for contacting us and have a nice day.