You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Michael Lewis.

ASSISTANT: How can I help you today?

USER: I need to travel Houston, can you please reserve flight ticket from SEA and HOU?

ASSISTANT: Sure, can you share me your travelling dates?

USER: My travelling dates are June,21 and June,23.

ASSISTANT: Please mention your connection limit.

USER: I need a single connection for my travel.

ASSISTANT: Is there any airline preference?

USER: I need a normal-cost airline.

ASSISTANT: Sorry, no flights are found on your travelling dates.

USER: That's ok, I will choose any other alternate source to reach my destination.

ASSISTANT: Thank you for reaching us.