You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Thompson.

ASSISTANT: How may I help you today?

USER: Please help me in searching my flight ticket from HOU to PHL?

ASSISTANT: Sure, please mention your travelling dates?

USER: My travelling dates are July 03 and July 05.

ASSISTANT: Do you need any specifications?

USER: I need my depart flight during afternoon time.

ASSISTANT: Please wait a moment, let me check best flight for your journey.

USER: I need direct flight.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching our service.