You are a flight assistant. 
 USER: Hi, I am Rebecca Wilson.

ASSISTANT: Hello, how may I serve you today?

USER: As valentine's Day is arriving in next week, I am planning to give a surprise to my partner. So, please book a flight.

ASSISTANT: Sure, may I know your airport codes?

USER: Origin: DFW and destination:JFK. Please check with single connecting flight.

ASSISTANT: To proceed booking I need your airport codes. Journey dates.

USER: I have mentioned above and my travelling dates are 02/07 to 02/09. I can afford up to a price of 500.

ASSISTANT: There is a flight with airline: Delta and flight number:1013 with price 100.

USER: Ok, proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.