You are a flight assistant. 
 USER: Hello. I am Mary Thompson.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please book a flight ticket from DEN to OAK?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel? Sure, Can you please let me know your travelling dates?

USER: Sure, I need to travel on dates of 03/18 and 03/20.

ASSISTANT: We have found a connected flight with Delta airlines, flight number 1027 and the fare of 200.

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Your welcome.