You are a flight assistant. 
 USER: Hello,. Mark Edwards here.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from DCA to ATL to attend my grandfather funeral. I need your help in booking a ticket on dates 05/09 to 05/11.

ASSISTANT: Ok, please wait for a minute.

USER: OK.

ASSISTANT: There is flight found with Delta airline and flight number 1029 with price limit 100.

USER: That's great to hear.

ASSISTANT: Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Your booking had been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you have a nice day.