You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket from HOU to ORD to attend a business meeting?

ASSISTANT: Let me know your travelling dates.

USER: My planned travel dates are Dec, 21 and Dec, 23.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT: Can I know your name?

USER: Debra Martin here.

ASSISTANT: Found ticket with American airlines for price 100 having flight number 1001.

USER: Please proceed for further.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.