You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me in booking my flight ticket from LGA to EWR?

ASSISTANT: Sure, may I know your dates of travel?

USER: My trip dates will be Sep 8th to Sep 10th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: My class preference is economy.

ASSISTANT: May I know your name?

USER: I am Gregory Parker.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.