You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Thomas Walker. Can you book a flight ticket to Denver, DEN from Los Angeles, LAX?

ASSISTANT: Sure, please share me your journey dates.

USER: My travelling dates are from 06/03 to 06/05.

ASSISTANT: Is there any preference in connection?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We have a flight ticket in Southwest airline at a price of 200 and a halt in economy class. Shall I proceed with the booking in 1018?

USER: Ok, You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.