You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Jessica Hall. I would like to travel from IAD to SFO, could you help me out?

ASSISTANT: May I know your travelling dates?

USER: My preferable dates are from 01/19 to 01/21.

ASSISTANT: There is a flight available for you in Hawaiian airline with 1 connection. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.