You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: My convocation ceremony is being held in San Francisco, can you help me in booking a ticket from IAD to SFO?

ASSISTANT: Can I have your journey dates?

USER: Sure, my journey dates are from 01/14 to 01/16.

ASSISTANT: May I know your name?

USER: My name is Catherine Collins.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with Spirit airlines, shall I book it? It is having 1 connection.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked with flight number 1022.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.