You are a flight assistant. 
 USER: Hello, I am Sharon Brown.

ASSISTANT: Hello,. How may I assist you?

USER: As I am having  seminar I want to book a flight to DEN with price below 500. Can you please help me with that?

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

USER: My travelling dates are from 01/27 to 01/29.

ASSISTANT: Can you provide your journey codes?

USER: My origin point is SFO.

ASSISTANT: Ok, please wait for a minute I will revert you with availability.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight found with a connection between your journey. The flight number is 1017 and Delta as airline. Shall I go with booking?

USER: Please proceed with it.

ASSISTANT: Your booking has been done.

USER: Thank for the help.

ASSISTANT: Thank you for availing us.