You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you reserve me a ticket from SFO to HOU?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My journey dates are Aug 15 to 17.

ASSISTANT: Do you want a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirement?

USER: Please ensure that my depart time must be in morning.

ASSISTANT: May I know your good name?

USER: I am Amanda Perez.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Thank you for choosing us.

ASSISTANT: Thank you for visiting us, we hope see you again.