You are a flight assistant. 
 USER: Hello, myself Raymond Anderson.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a ticket from SEA to IAH?

ASSISTANT: Sure, may I know your journey dates please?

USER: My trip dates are from 06/05 to 06/07.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Raymond, there are no flights available for you.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.