You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Williams here.

ASSISTANT: Rachel, how can I assist you?

USER: I want to meet my brother-in-law, please book my ticket from IAD to MSP.

ASSISTANT: Sure, I am here to help you. Could you please provide me your travel dates?

USER: I will be leaving on 09/17 and returning on 09/19.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

ASSISTANT: There is a flight available with Hawaiian airlines and the ticket fare is 100 only. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Rachel, your ticket is booked and your flight number is 1013.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.