You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Nancy Walker, help me in booking my flight ticket from IL-ORD to TX-HOU.

ASSISTANT: Sure, on which dates would you like to travel?

USER: 12/24 is my starting date, my return date will be on 12/26.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1017. Shall I book this ticket with the fare of 300?

USER: Please book my flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you.