You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Barbara Smith here. I want to book a flight from HOU to PHL for business meet.

ASSISTANT: Sure, I will help you. Can you please mention your travel dates?

USER: My travelling dates are from 07/28 to 07/30.

ASSISTANT: Ok, please wait a moment.

USER: Make sure that there is 1 connection limit.

ASSISTANT: No flights available as per your requested dates.

USER: That's ok. Thank you for your support.

ASSISTANT: Thank you for contacting us.