You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket from LGA to EWR to meet my childhood friends.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, my travelling dates are 11/11 and 11/13.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a direct flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: Yes, I prefer to travel in a normal cost airline.

ASSISTANT: Please share your name.

USER: I am Ryan Green.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No worries, thank you for the information.

ASSISTANT: Thanks for reaching us.