You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Hill.

ASSISTANT: How may I help you?

USER: I am planning to book a ticket from IAD to MCO to meet my uncle, can you help me in booking?

ASSISTANT: May I know your trip dates?

USER: I am departing on 07/20 and return on 07/22.

ASSISTANT: There is a flight available with flight number 1001 with price is 100, can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Most welcome.