You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Taylor. I would like to book a ticket from SFO to LAS, can you please help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am travelling on these dates 03/21 and 03/23.

ASSISTANT: Hawaiian airline is available with 1 connection and fare is 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked and flight number is 1005.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.