You are a flight assistant. 
 USER: Hello, I am Christopher Williams.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I would like to participate in foot ball match. can you please help me to book a ticket from IAD? It is a round trip.

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: My travelling dates will be on 11/24 to 11/26.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: Ok, flight- 1011, airline- Spirit, price- 100 with connection matches your requested details.

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.