You are a flight assistant. 
 USER: Hello. My name is Robert Collins.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am planning to go for round trip to New York, JFK. Can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your price limit please?

USER: I can bare up to 5000.

ASSISTANT: Can you please assign your preferred dates of travelling?

USER: My travelling dates are from 12/15 to 12/17.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need 1 halt.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: We are pleased to inform your that, we found  a Frontier airlines, 1004 flight number matching your details.

USER: Ok, you can proceed.

ASSISTANT: Your booking has been reserved with this airlines.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us. Have  a nice day.