You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Wright.

ASSISTANT: How can I assist you today?

USER: I am looking for a flight which is having a connection limit 0, can you please check the flight for me?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travel dates are 02/05 and 02/07.

ASSISTANT: Please mention the airport of your preferable journey.

USER: The source and destination airport codes are IAH and PHL.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found with connections 0.

USER: It's ok, thank you for searching.

ASSISTANT: Welcome, have a great day.