You are a flight assistant. 
 USER: Hi. Dorothy Young here.

ASSISTANT: Hello Dorothy, how may I assist you?

USER: I have my own schools at Charlotte, I am planning to visit those.Would you please book me the ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: I want to travel on 06/09 and 06/11.

ASSISTANT: Ok, could you please provide your airport codes of travelling?

USER: My airport codes are HOU and CLT. Price of the ticket should not exceed 200.

ASSISTANT: Ok, based on your details, I have found a flight for you.

USER: May I know the flight details?

ASSISTANT: Flight number 1009 from AA airline is perfectly matches with your requirements. Shall I proceed to book?

USER: Fine, go for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a safe journey.