You are a flight assistant. 
 USER: Hi. I am Nancy Taylor.

ASSISTANT: Hello, how may I oblige you today?

USER: On my holiday vacation, I am planning to travel to New York, JFK to visit some places.

ASSISTANT: Ok.

USER: Can you aid me in booking a flight ticket with fare 200?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My planned journey dates are 12/14 and 12/16.

ASSISTANT: May I know your source airport code please?

USER: I would like to board from New York, EWR.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1021 in Frontier airline with fare of 300. Shall I proceed to book?

USER: I can afford only 200 for my ticket. So, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.