You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me in booking a flight ticket from Washington, IAD to reach Boston, BOS?

ASSISTANT: Sure, I will help you in booking a flight ticket.

USER: Thank you.

ASSISTANT: Let me know when would you like to depart and arrive.

USER: My journey dates are from Apr 29 to May 01.

ASSISTANT: Is there any class preference for you, please let me know?

USER: I am ok with any class.

ASSISTANT: Kindly mention your connection limit?

USER: I need a connection in between journey.

ASSISTANT: Please provide me your name for the process of booking a flight ticket.

USER: My name is Nicholas Davis.

ASSISTANT: There is an airline called United airlines of flight 1009 in an economy class with single connection. Can I confirm your booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your reservation has been done on the name of Nicholas Davis.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.