You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you today?

USER: I want to book a connected flight to Dallas & Fort Worth, TX - DFW to attend Sports festival.

ASSISTANT: Ok.

USER: Can you please book a ticket from New York, NY - EWR?

ASSISTANT: Sure, we are mirthful to aid you. What is the budget for your trip?

USER: I can afford up to 5000.

ASSISTANT: On which dates did you schedule your trip?

USER: My travelling dates are 08/16 and 08/18.

ASSISTANT: Thanks for your details. Sorry, there is no flight found to your route.

USER: Ok, no worries.

ASSISTANT: I need your name for documentation purpose.

USER: Sure, I am Jack Wright. Thank you.

ASSISTANT: Thank you for reaching us.