You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gregory Hall here.

ASSISTANT: How may I help you?

USER: Can you book me a ticket from LAX to ORD?

ASSISTANT: Please provide your trip dates.

USER: Here are my travel dates 09/13 and 09/15.

ASSISTANT: There is a direct flight for you in Spirit airline. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked in 1004 flight.

USER: Thank you for the help.

ASSISTANT: Most welcome.