You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to enjoy my beach holidays with my friends at San Francisco. Can you please help me with booking a flight a flight ticket?

ASSISTANT: Sure, may I know your source code?

USER: Sure, I intend to board from DEN with my friends.

ASSISTANT: Can I know your travel dates, please?

USER: Sure, I want to start my journey on May 10 and end my journey on May 12.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a break in between the journey which makes my journey comfortable.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: We found a connecting flight in Hawaiian Airlines with flight number 1002 having an economy class. Shall I confirm your reservation?

USER: Yes, please proceed with Hawaiian Airlines.

ASSISTANT: Please let me know your name.

USER: Sure, My name is Mark King.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.