You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please check the flight availability in normal-cost?

ASSISTANT: Sure. May I know your take off and landing airport codes?

USER: I am heading to IAH from SFO.

ASSISTANT: Could you please share your planned journey dates?

USER: My journey dates are Nov 27 and Nov 29.

ASSISTANT: Your good name please?

USER: My name is Steven Thomas.

ASSISTANT: Let me know your connection limit.

USER: I need a stopover in between my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for contacting us.