You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now? May I know your good  name please?

USER: My name is Nancy Johnson. I want to visit the Central Park in New York, Can you book a ticket with price 200?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 08/04 and 08/06.

ASSISTANT: How many connections do you need in your journey?

USER: I am looking for single connection.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are TX - DFW and NY - LGA.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any flights matching your details.

USER: Ok, no issue.

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

USER: Thank you for your service.