You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Harris from Oakland.

ASSISTANT: How may I help you?

USER: I would like to visit Atlanta Museum with my friends. Can you help me in booking a ticket from OAK to ATL?

ASSISTANT: Sure, please help me with your journey dates.

USER: My planned journey dates are 10/19 and 10/21.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for you waiting, I found a flight for you in Delta airlines with price 100. Shall I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1021.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.