You are a flight assistant. 
 USER: Hello,. I am Lisa Jackson.

ASSISTANT: Hello, how could I assist you?

USER: Will you help me in booking me a flight ticket to Houston, IAH to visit space centre museum.

ASSISTANT: Sure, please provide me your source point?

USER: Detroit, DTW is my source airport.

ASSISTANT: May I know your journey dates please?

USER: 03/02 -03/04 are willing dates to travel.

ASSISTANT: Let me know your budget for airline reservation.

USER: 1000 is the budget.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight found with AA airline of flight number 1001. Shall I proceed?

USER: Yes proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for quick service.

ASSISTANT: Thank you.