You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,how may I help you?

USER: I need to book a flight with the name Angela Hernandez, can you help me with that?

ASSISTANT: Sure, I am here to help you? Can you please provide your journey details?

USER: I want to give a seminar at University of Houston on 05/21 and I want to return on 05/23. My origin and destination points are SFO and HOU.

ASSISTANT: Do you have any other requirements?

USER: Make sure my price should be under 5000, with 1 connection.

ASSISTANT: Please wait for while.

USER: Ok.

ASSISTANT: Sorry, we did not have a connecting flight.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us,have a good day.