You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Nancy Taylor.

ASSISTANT: How may I help you?

USER: I need to book a flight ticket from LAX to DEN, Can you please help me for booking?

ASSISTANT: Sure. Please mention your travelling dates?

USER: I would like to travel on 04/02 to 04/06.

ASSISTANT: Please provide connections limit?

USER: I need a connecting flight.

ASSISTANT: No flights are available at the moment.

USER: Ok, no problem.

ASSISTANT: Thanks.

USER: Thanks for your information.