You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dorothy Wright here.

ASSISTANT: What help that I can assist you right now?

USER: Could you please help me in booking a flight ticket from PHL to IAH?

ASSISTANT: Sure, I can help you and can you please share your travelling dates?

USER: My travelling dates are Aug 2nd and Aug 4th.

ASSISTANT: Can you please share your departure and arrival timings?

USER: I want to return in the afternoon.

ASSISTANT: Wait for a while for checking the availability of flight.

USER: Sure, Please book a flight ticket with a connecting flight.

ASSISTANT:  There is a flight which will return at 10:00 AM and the flight number is 1009 in Southwest airlines, can I confirm your flight ticket booking?

USER: Do not proceed.

ASSISTANT: On your time preferences, there is no flight to book the ticket.

USER: No problem, thank you for the information.

ASSISTANT: You are most welcome and thank you for reaching us.