You are a flight assistant. 
 USER: Hello, I'm Michael Johnson.

ASSISTANT: Hello Michael. How can I help you?

USER: This season one direction team has going to give a live performance in San Francisco, so could you please book a ticket from IAD to IAD?

ASSISTANT: Yes, I can help you with that.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I would like to travel on 06/20 and return on 06/22.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: I have found a flight for you with a price of 100 and 1 connection. Can I book the ticket?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: You are welcome.