You are a flight assistant. 
 USER: Hello, I am Donald Hill.

ASSISTANT: Hello, how can I help you?

USER: I am planning to meet my childhood friend at Los Angeles CA-LAX. Can you help me with booking a connecting flight?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on 12/06 and 12/08.

ASSISTANT: Kindly assign me your source code?

USER: My boarding point is Denver CO-DEN.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1022 AA airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: You booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.