You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me to book a connecting flight from IAH?

ASSISTANT: Sure, May I know the destination code?

USER: I would like to return from HOU at evening time.

ASSISTANT: Please help me with your travelling dates.

USER: My travelling dates are June 25 and 27.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Steven White.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.