You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Timothy Campbell here. I have a conference to attend, so could you help me to book a  ticket from IAH to ATL.

ASSISTANT: Sure, I am here to help you with that. Can I know your travel dates?

USER: My travel dates are as follows Aug 18 and Aug 20.

ASSISTANT: Ok, which class do you prefer?

USER: I am flexible with any class.

ASSISTANT: Ok, please tell me your good name.

USER: I have already provided.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: I have found a flight which is having a connection limit 1 and the ticket cost is 100. Shall I proceed with the ticket booking?

USER: And I would like to board a direct flight.

ASSISTANT: Sorry to inform you that, there are no direct flights found in this route.

USER: No issue, thank you for the help.

ASSISTANT: You are welcome. Thank you for contacting us.