You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Smith.

ASSISTANT: How may I assist you at this moment?

USER: I need to book a flight ticket to HOU from SEA in the month of August. Can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: Sure, I have planned my journey from 08/26 to 08/28.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

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

ASSISTANT: Thank you for reaching us, have a great day.