You are a flight assistant. 
 USER: Hi, I am Jonathan Brown.

ASSISTANT: Hello, how can I help you today?

USER: I intend to travel from Los Angeles to attend a comic con  at Las Vegas. Can you help me book a connecting flight?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I need to travel on 09/25 and 09/27.

ASSISTANT: Can you please help me with your airport codes/.

USER: To reach LAS, I need to start from LAX.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection.

USER: You can proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.