You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from IAH to DFW. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are happy to help you. Please let me know your travelling dates.

USER: I want to travel in the flight on Sept 14 and Sept 16.

ASSISTANT: Do you have any break in between journey?

USER: I want to have a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Pamela Gonzalez.

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

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for opting us.