You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book the flight ticket from PHL to IAH. Can you please help me?

ASSISTANT: Sure, can I know your travelling dates?

USER: Dates are Nov 16 and Nov 18.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Susan Nelson.

ASSISTANT: Do you have any connection limit?

USER: Connected flight required.

ASSISTANT: Do you have any other specifications?

USER: No other specifications needed for my journey.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.