You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kenneth Hernandez. I am planning to enjoy my holidays at Dallas, DFW with my friends.

ASSISTANT: Sure, may I know your travelling dates?

USER: Can you please book a ticket with fare 200?

ASSISTANT: Sure, I will help you.

USER: Thank you. My journey dates are 06/19 to 06/21.

ASSISTANT: Kindly provide your source code3.

USER: Origin code is Charlotte, CLT.

ASSISTANT: There is a flight found with number 1009, Southwest as airline. The cost of the ticket is 100.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.