You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am willing to travel Chicago in the month of February for vacations from my location Houston. Can you help me in booking my flight ticket?

ASSISTANT: Sure, can I know your name please to proceed further?

USER: Sure, my name is Frank Clark.

ASSISTANT: May I know the travel dates please?

USER: Sure, my travelling dates are Feb 26 and Feb 28.

ASSISTANT: Do you have any requirements?

USER: No, I do not have any other requirements.

ASSISTANT: Could you please provide the airport codes?

USER: Ok, my airport codes are HOU and ORD.

ASSISTANT: There is a direct flight in Spirit airline, can I book it?

USER: Yes, do proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1025.

USER: Thank you for your services.

ASSISTANT: Thank you for approaching us.