You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephenie Brown. Can you please book a flight ticket from OAK to IAD?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: I am departing on 04/06 and return on 04/08.

ASSISTANT: May I know your connection limit?

USER: I want connection limit 1.

ASSISTANT: There is a flight-1021 of Delta airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your booking is done. Thank you for choosing us, have a safe journey.

USER: Thank you for your help.