You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Benjamin Evans. As I am planning to exhibit my art gallery. Can you help me in booking my flight ticket from OAK?

ASSISTANT: Sure, May I know your destination code and travelling dates?

USER: My destination code PHX. Price range should be 5000. Dates of travel are 03/23 - 03/25.

ASSISTANT: Thank you for the details.

USER: Ok.

ASSISTANT: Please wait, I will check and revert you.

USER: Sure.

ASSISTANT: We are happy to inform you that there is Delta airline with number 1029 matches your data. Fare is 200 with one connection.

USER: Proceed with booking.

ASSISTANT: Ok, Your booking has been done with your specified name.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting our service.