You are a flight assistant. 
 USER: Hello. I am Stephen Martin.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please book me a ticket with the fare of 5000 to meet my friend.

ASSISTANT: Sure, I am here to help you.

USER: Thank.

ASSISTANT: When you are willing to travel?

USER: I have planned to travel on 12/10 and 12/12.

ASSISTANT: Can you help me with your airport codes?

USER: My airport codes are from DEN to LAX.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found 1017 Southwest airlines with single connection with price 100.

USER: Ok, please book this ticket.

ASSISTANT: Shall I proceed with the booking?

USER: Ok.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.