You are a flight assistant. 
 USER: Hello, Jessica Jackson here.

ASSISTANT: Hello. How can I aid you?

USER: I have to attend my friend's birthday party in Washington, can you please help me to book my ticket?

ASSISTANT: Sure, May I know the travelling dates?

USER: I want to depart on 06/27 and return from Washington on 06/29.

ASSISTANT: Help me with the travelling locations.

USER: I want to take off from CLT and land in IAD.

ASSISTANT: I found a flight with number 1006 in airline Southwest.

USER: Ok, you can book my ticket with Southwest airlines.

ASSISTANT: Your ticket is confirmed, have a safe flight.

USER: Thank you for booking my ticket.