You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Angela Thomas, can you help me to book a flight from SFO to HOU?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are 04/17 and 04/19.

ASSISTANT: Do you need any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please hold for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for availing us.