You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Patricia Thompson here. I want to meet my cousin to discuss about his family problems, so please book my ticket from EWR to LGA.

ASSISTANT: Sure, when you are willing to travel?

USER: My itinerary dates are Oct 21 and Oct 23.

ASSISTANT: Do you prefer either an economy or business class?

USER: I prefer business class.

ASSISTANT:  Please let me know if you have any other preferences.

USER: I need a connecting flight.

ASSISTANT: Sorry, we did not find any flights running in your desired routes.

USER: No problem, thank you.

ASSISTANT: Thank you for your approach.