You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am James Phillips. I would like to take a flight from DFW to LGA, can you help me with booking?

ASSISTANT: Sure, help me with the trip dates?

USER: Ok, my travelling dates are from Oct 17 to Oct 19.

ASSISTANT: Do you have any price limit?

USER: Price should be within 200.

ASSISTANT: We found a flight in an airline Frontier with 1020 number having a single connection price of 100. Shall I proceed to book?

USER: Yes, please.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.