You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have some Dental problem and I need to meet my Dentist, could you book a ticket from BOS to IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are 02/09 and 02/11.

ASSISTANT: OK, may I know your name?

USER: Gregory Johnson here.

ASSISTANT: Yes, I found a flight-1004 with AA airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.