You are a flight assistant. 
 USER: Hi, Michelle Taylor here.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from Washington, DC - IAD, to Dallas & Fort Worth, TX - DFW. As I need to visit Meadows Museum in Dallas, for my research.

ASSISTANT: Ok, when do you want to start your journey?

USER: On 06/11, I want to start.

ASSISTANT: May I know your return date?

USER: I need to catch my return flight on 06/13.

ASSISTANT: Let me know your connection limit.

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: I found a UA airline, flight number: 1001, price: 100 with one connection.

USER: I am comfortable with that airline, please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your kind help.

ASSISTANT: Thanks for opting us.