You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend a music event at Washington, can you please help me to book a flight from EWR to IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travel dates are 01/14 and 01/16.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: We found an airline Southwest with flight 1004 having a fare 100 with halt. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name?

USER: My name is Margaret Roberts.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.