You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a ticket from LGA to LAX. Can you please help me out?

ASSISTANT: Sure, I will help you to book a flight, can you please share me your travelling dates?

USER: I would like to travel on Aug 05 and return back on Aug 07.

ASSISTANT: Ok, do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I am ok with any timings.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I am looking for a normal cost airline and my class preference is economy.

ASSISTANT: Ok, please provide me your name.

USER: Yes, I am Gregory Harris.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's fine, thank you for your service.

ASSISTANT: Welcome, have a nice day.