You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to visit Private moon light DC city walk which is located in Washington, DCA.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Can you help me to book a flight ticket? My travel dates are Nov 04 and 06.

ASSISTANT: Do you prefer any specifications?

USER: I need to catch my return flight in the morning time.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Please let me know your origin airport code?

USER: My origin is from Chicago, ORD.

ASSISTANT: UA airlines providing a connection flight in business class.

USER: If the return time is morning, then you can proceed.

ASSISTANT: May I know your name?

USER: Mary Miller here.

ASSISTANT: Your booking is done in the morning.

USER: Ok, thank you.

ASSISTANT: Thank you.