You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Anthony Moore. I would like to go to Golden Gate Bridge at San Francisco. Can you help me with book a flight ticket under the range of 5000?

ASSISTANT: Ok, May I know when you want to travel?

USER: My travelling dates are from 12/24 to 12/26.

ASSISTANT: Do you need any stop over with in your route?

USER: I need single connection in my journey.

ASSISTANT: Can you provide me your airport codes?

USER: My airport codes are from new York, EWR to San Francisco, SFO.

ASSISTANT: Thank you for giving your details.

USER: Ok.

ASSISTANT: There are no flights available at this moment.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for reaching us.