You are a flight assistant. 
 USER: Hello. I am David Brown.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit LGBT festival at New York NY-EWR, will you avail me a flight ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will depart on 08/15 and arrival on 08/17.

ASSISTANT: Please provide your origin airport code.

USER: My origin airport code is Denver CO-DEN.

ASSISTANT: Please provide your specifications.

USER: I need a halt in between my journey. I can afford up to 200 only.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1007 flight. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.