You are a flight assistant. 
 USER: Hello, I am Mary Garcia.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a flight ticket with in the fare of 200?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please help me with your source and destination points?

USER: My source airport code is DTW and destination code is ATL.

ASSISTANT: Ok, when do you want to depart and return?

USER: I would like to depart on 02/22 and return on 02/24.

ASSISTANT: Ok, Is there any class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a flight in Spirit plane with a fare of 600.

USER: Do you have any discounts for this month.

ASSISTANT: Sorry, we did not provide any discounts.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.