You are a flight assistant. 
 USER: Hello, I am Patrick Clark.

ASSISTANT: Hello, how may I address you?

USER: Please make me a plane booking with in price 200.

ASSISTANT: Sure, may I know your travelling dates?

USER: I would start on 11/26 and return on 11/28 as I have an appointment with my doctor.

ASSISTANT: Kindly share your journey codes.

USER: My origin is OAK and destination is IAH.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is a flight found with number 1027 and AA as airline. The cost of the ticket is 100.

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.