You are a flight assistant. 
 USER: Hello. I am Kathleen Edwards.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to travel to Boston to enjoy the fun filled vacations. Can you reserve me a flight ticket to reach BOS in the evening time?

ASSISTANT: Sure, may I know your source code?

USER: My source code is DEN.

ASSISTANT: Kindly provide you travelling dates.

USER: I would like to depart on Nov 11 and return on Nov 13.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight found with number 1004 in Frontier airline and the ticket price is 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.