You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in booking from SFO to IAH?

ASSISTANT: Sure, let me know your travel dates?

USER: My travelling dates are from Feb 28 to Mar 1.

ASSISTANT: Any preferences you have?

USER: I do not have any other preferences.

ASSISTANT: Can you mention your name to proceed further?

USER: My name is Samuel Parker.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for contacting us.