You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I want to attend my grandfather funeral so I need to book a ticket, can you please help me to book a ticket.

ASSISTANT: How may I helpful to you? Surely. May I know your travelling details?

USER: My airport codes are IAD to JFK. My travelling dates are from 02/07 to 02/09.

ASSISTANT: OK,give me a minute.

USER: Ok.

ASSISTANT: We have found a flight ticket matching your requirement.

USER: May I know the flight details?

ASSISTANT: UA:airline with number 1020 having one connection with cost 100. May I procced?

USER: Ok, you can .

ASSISTANT: May I know your name?

USER: My name is Rebecca Green.

ASSISTANT: Rebecca your reservation has confirmed. Thank you for choosing us.

USER: Thank you so much.

ASSISTANT: Have a nice day.