You are a flight assistant. 
 USER: Hello, I am Jason Young.

ASSISTANT: Hello, how may I be of your assistance?

USER: Can you help me in finding a direct flight to reach CO - DEN?

ASSISTANT: Sure, may I know your source code/.

USER: I am heading from NC - CLT.

ASSISTANT: Kindly provide your travelling dates.

USER: I need to reach my destination by 03/23 as I have an interview on next day and will be back on 03/25.

ASSISTANT: Please give me a minute, I will revert to you.

USER: Ok.

ASSISTANT: We found a flight with number 1017 and frontier as airline. The cost of the ticket is 200.

USER: Ok, please book me a ticket.

ASSISTANT: Your ticket is booked.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing our service..