You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to book a flight ticket to HOU from LGA, can you please help me out?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, my planned travelling dates are Mar 11 and Mar 13.

ASSISTANT: Do you have any preferences?

USER: Yes, my depart time must be in evening.

ASSISTANT: May I know your name please?

USER: Sure, my name is  Patrick Garcia.

ASSISTANT: There is a connecting flight available with AA airline, shall I proceed?

USER: Ok, please confirm my reservation.

ASSISTANT: Your booking is done with flight number 1011. Happy journey.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a nice day.