You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking from LAS to LGA?

ASSISTANT: Sure, please share me your travel dates.

USER: My planned dates are from Apr 23 to Apr 25.

ASSISTANT: May I know your class preferences?

USER: No.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Barbara Perez.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a AA airline and 1005 is flight number with a fare of 200. Shall I proceed?

USER: If it departs at afternoon time, you can proceed.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey. Thank you for opting us.

USER: Ok, No issues, thank you.