You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Collins here.

ASSISTANT: How may I aid you?

USER: My sister's marriage have been fixed this year in Fort Worth, so could you please book a ticket from BOS to DFW?

ASSISTANT: Sure, can you provide your travel dates?

USER: My required dates are from 03/27 till 03/29.

ASSISTANT: There is a flight available with flight number 1015 with price is 100 and number of connections 1, can I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome.