You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Brown.

ASSISTANT: How can I help you?

USER: I need to visit San Francisco as there is beautiful location to spend a time. Will you please book a flight ticket?

ASSISTANT: Could you please provide your airport codes?

USER: Sure, airport codes are DTW and SFO.

ASSISTANT: Could you please provide your name to proceed further?

USER: My self Samuel Brown and I would like to travel on dates of 08/28 and 08/30.

ASSISTANT: There is a flight available with price 100 and flight number is 1021, would you like to proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.