You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Karen Rodriguez. Can you help me in finding a best flight from Denver CO-DEN to NY-LGA?

ASSISTANT: Sure, may I know when are you planning to travel?

USER: 07/08 to 07/10 will be my trip dates.

ASSISTANT: How much can you afford for this booking?

USER: I can afford up to 1000.

ASSISTANT: Thanks for sharing your details. Currently there are no flights going on your way.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.