You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from HOU to PHL. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Apr 3 and Apr 5.

ASSISTANT: Do you have any specifications?

USER: I would prefer depart time at morning.

ASSISTANT: Is there any class preferences?

USER: I need a economy class.

ASSISTANT: May I know your good name?

USER: Sure, Timothy Adams here.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.