You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit San Francisco, please book a ticket from LAX to SFO.

ASSISTANT: Ok, may I know your travel dates please?

USER: My journey dates are 09/06 and 09/08.

ASSISTANT: May I know your good name please?

USER: My name is Mark Martinez.

ASSISTANT: Fine, there is a flight available for you from UA airlines with travel charge of 100, shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight-1006, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.