You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am William Edwards.

ASSISTANT: Ok.

USER: I have to attend for my Uncle's house ceremony in Houston, IAH, so I would like to book a flight ticket to attend it. Can you please help me in that?

ASSISTANT: Sure, we are mirthful to aid you. When did you schedule your trip?

USER: My trip dates are from 06/09 to 09/11.

ASSISTANT: Where are you heading from?

USER: I want to start my journey at Washington, DC-DCA.

ASSISTANT: Please, verify your dates.

USER: Sorry, my return date is 06/11.

ASSISTANT: Thanks for your details. We found a plane 1026 of UA airline with a connecting flight. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Reservation is done.

USER: Thanks for your help.

ASSISTANT: Thank you.