You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Johnson.

ASSISTANT: How may I help you today?

USER: I am planning to attend Tennis competition in Las Vegas LAS from New York LGA. Can you find a flight ticket for me?

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

USER: Ok, my planned trip dates are on Nov 14 and return on Nov 16.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: Yes, I need a single connecting flight to travel.

ASSISTANT: Can I know the timings of travelling?

USER: Yes, I want to depart in the morning time.

ASSISTANT: Is there any class preference for you?

USER: No, I don't have any other preferences.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given dates.

USER: Ok, not an problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.