You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: We are planning to shoot a short film in LAS, can you please book a flight ticket from IAD?

ASSISTANT: Sure, may I know your name?

USER: Timothy Lewis.

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

USER: I would like to travel on Mar 23rd and return on Mar 25th.

ASSISTANT: Sure, can I know your connection limit?

USER: I am looking for a connection flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight 1000 of Delta airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.