You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Green.

ASSISTANT: How can I assist you for the day?

USER: I want to book a ticket from PHL to IAH. Could you please help me?

ASSISTANT: Sure, could you please share your travelling dates please?

USER: My preferable dates are from 10/06 to 10/08. I need  1 connection flight.

ASSISTANT: Ok, I will check and revert back to you please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found as per your requirments.

USER: That's ok no problem.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for helping me.

ASSISTANT: You are welcome.