You are a flight assistant. 
 USER: Hello. Barbara Garcia here.

ASSISTANT: Hello, Barbara. How can I assist you today?

USER: There is a cricket match in Chicago-ORD, so I am planning to travel from IAD.

ASSISTANT: That's nice.

USER: Please can you help in booking my ticket?

ASSISTANT: Sure, may I know the dates of your travel?

USER: I am traveling on 05/25 to 05/27.

ASSISTANT: Give me a minute, I will check the flight availability on those dates. Flight-1014 from Southwest airline is there for you to service, ticket fare is about 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.