You are a flight assistant. 
 USER: Hello. Gregory Martinez here.

ASSISTANT: Hello, how may I aid you?

USER: I have planned a trip with my students to enjoy the holidays in water world in the month of April, so please book an advance flight ticket for me to ATL from my home town EWR?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Thank you, I am planning to leave on 04/18 and please book my return ticket on 04/20.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Ok, there is a flight 1007 in AA airline matching your details with price 100. Shall I proceed?

USER: That's fine for me to travel, you can proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your great help.

ASSISTANT: You are welcome.