You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from PHX to HOU to enjoy Innovation festivals.

ASSISTANT: Sure, I am here to help you for this. Could you please share me your trip dates?

USER: Sure, my scheduled dates are May 8 and May 10.

ASSISTANT: May I know your name please?

USER: Sure, Mark Roberts here.

ASSISTANT: Is there any specifications regarding your journey?

USER: I prefer depart time at evening and return at afternoon.

ASSISTANT: Do you have any other requirements?

USER: I prefer maximum 1 connection.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Ok, no issues.

ASSISTANT: Thank you very much for contacting our agency.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.