You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Thompson.

ASSISTANT: Nicole Thompson. How may I help you?

USER: Can you help me to book a flight ticket from IAD to JFK?

ASSISTANT: Sure, may I know your itinerary dates of your journey,.

USER: I am travelling from Jan 3 to Jan 5.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Frontier airlines with flight 1021 is providing service on your route.

USER: Please make it sure under the price limit 200.

ASSISTANT: Yes, the price limit is 200, is it ok with you.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved in the economy class with the cost of 200.

USER: Thank you.

ASSISTANT: Thank you for choosing us and have a nice journey.