You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from PHL to IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from June 02-04.

ASSISTANT: Can I know your connection limit?

USER: I prefer to fly in connected flight.

ASSISTANT: May I know your other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Pamela Miller here.

ASSISTANT: Sorry, there are no flights available on your travelling dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.