You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Jeffrey Clark, want to travel from ORD to IAD. Please help me in this.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 05/25 to 05/27.

ASSISTANT: There is a flight available as per your request in UA airline with 1 connection. Shall I proceed your booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.