You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please reserve me a flight ticket from LGA to LAX to go for an adventure with my friends?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can I have your travelling dates to book a flight ticket?

USER: My planned journey dates are from Apr 14 to Apr 16.

ASSISTANT: Do you have any class preferences?

USER: Yes, I prefer an economy class for my journey.

ASSISTANT: Ok, is there any connection limit?

USER: I would like to travel in a flight having maximum connection of one.

ASSISTANT: Let me know your name please.

USER: I am Samuel Hill.

ASSISTANT: Please wait a minute, I will revert to you.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights available on your particular dates of journey.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thank you for approaching us.