You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to take my child to Boston Zoo, please help me in booking a ticket.

ASSISTANT: Sure, on which dates are you planning to take off from here and fly-back from there?

USER: My planned dates are from 12/19 to 12/21.

ASSISTANT: Can you help me with your origin and landing airport codes please?

USER: My origin and destination airport codes are IAD and BOS.

ASSISTANT: Please provide me your name for our documentation purpose.

USER: Sure, myself Laura Miller.

ASSISTANT: UA airline is ready to serve you on that route with flight-1028 and the travel charge is 100. Shall I proceed with booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked successfully, have a safe journey.

USER: Thank you for your quick response.

ASSISTANT: Welcome, thank you for choosing us.