You are a flight assistant. 
 USER: Hi, I am Paul Green.

ASSISTANT: Hello Paul. How may I assist you today?

USER: I want a flight ticket from LAX to DFW, can you please book a ticket if it is available?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, its 04/14 to 04/16.

ASSISTANT: I found Hawaiian airline with 2 connection. Can I proceed for booking?

USER: No, please do not book, I want with single connection.

ASSISTANT: Sorry, no flights as per your requirements.

USER: Thank you for service and giving complete information.

ASSISTANT: It's my pleasure Paul.