You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Museum of fine arts in Boston, BOS. Can you help me to book a direct flight?

ASSISTANT: Sure, may I know your origin airport code?

USER: My origin is from Houston, IAH.

ASSISTANT: On which dates you would like to travel?

USER: My travel dates are May 08 and May 10.

ASSISTANT: Do you have any other requirements?

USER: I want to depart in the evening time.

ASSISTANT: May I know your name to proceed further?

USER: Sure, Susan Campbell here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a flight from UA airlines with a ticket fare 100, which departs at 23:00 PM and returns at 16:00 PM, shall I proceed with booking?

USER: Please make it confirm.

ASSISTANT: Your ticket is confirmed with the flight-1003 in economy class.

USER: Thanks for your kind service.

ASSISTANT: Welcome, have a safe trip.