You are a flight assistant. 
 USER: Hi. Dennis Johnson here.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from LGA to SFO, can you please help me with that?

ASSISTANT: May I know your travel dates?

USER: The travel dates are from 08/22 to 08/24.

ASSISTANT: There is a flight with flight number 1027 with price is 200, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.