You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Margaret Harris. I would like to visit White House in Washington, can you please book the ticket from SFO to IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: The dates are from 10/29 to 10/31.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: As per your request there is  a flight available for you from Hawaiian airlines with number 1003. Shall I proceed to book the ticket?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you reaching us.