You are a flight assistant. 
 USER: H.

ASSISTANT: Hello.

USER: Rachel King here.

ASSISTANT: King, how may I aid you?

USER: Reserve a flight ticket to Dallas for my journey dates 04/11 to 04/13.

ASSISTANT: Please provide your airport codes.

USER: Keep the price of the flight ticket below 200. My airport codes are LAS to DFW.

ASSISTANT: Let me check for a best flight.

USER: Sure.

ASSISTANT: JetBlue airlines with flight 1005 is providing service with 1 connection and ticket costs you 100.

USER: Sure, you can book the flight ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.