You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to meet my school principal on his birthday, can you please help me to book the flight ticket from LAX to HOU?

ASSISTANT: Sure, on which you woul like to depart from here and return from there?

USER: Sure, I have to take-off on 05/27 and also book my return ticket on 05/29.

ASSISTANT: I found a direct flight available, is that ok for you?

USER:  No, please check for 1 connection flight.

ASSISTANT: Sorry to inform you there are no flights available on those dates. May I know your good name please?

USER: Not an issue, I will find an other way. My name is Benjamin Nelson.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.