You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: My name is Cynthia Martinez.

ASSISTANT: How may I guide you?

USER: I would like to book a flight ticket on dates from 10/10 to 10/12.

ASSISTANT: Ok, can I know your airport codes?

USER: I will be travelling from IAD to SFO.

ASSISTANT: I found a flight 1000 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Yes, you can confirm my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.