You are a flight assistant. 
 USER: Hello, I am Shirley Lee.

ASSISTANT: Hello, what can I do for you?

USER: I am a foodie and would like to visit different types of hotels in Philadelphia to taste various. Can you please help me in booking a flight ticket with fare 1000?

ASSISTANT: Sure, we are glad to help you. Could you help me with your travel dates?

USER: My travel dates are 12/05 and 12/07.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from TX-DFW to PA-PHL.

ASSISTANT: Do you want any connection limit?

USER: I need direct flight.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.