You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please help me in booking flight ticket from MCO to HOU to meet my friend.

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: My trip dates are May 10 to May 12.

ASSISTANT: Can I have your name please?

USER: Mary Garcia.

ASSISTANT: Do you have any connection preference?

USER: I prefer to travel in connecting flight.

ASSISTANT: Can I have your other specifications?

USER: My depart should be in the evening.

ASSISTANT: Mary Garcia, no flights has been found on your planned travel dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.