You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to meet my college friends at San Francisco, can you please help me in booking my ticket?

ASSISTANT: Sure, what dates you would like to have this booking?

USER: I would like to move on 03/01 and return on 03/03.

ASSISTANT: Ok, could you please provide your airport codes?

USER: My source and destination airport codes are CLT and SFO.

ASSISTANT: Ok, there is a flight 1019 in Delta airline matching your details with price 100. Shall I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us, have a nice journey. May I know your name for documentation purpose?

USER: My name is Samuel Anderson.

ASSISTANT: Thank you.