You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Sarah Lopez. I want to book a ticket from Los Angeles-LAX to San Francisco-SFO.

ASSISTANT: Please share your travel dates.

USER: I am departing on 08/12 and return on 08/14.

ASSISTANT: The flight 1005 of UA airlines is available on your request. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Lopez, your reservation has done successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.