You are a flight assistant. 
 USER: Hello, I am Michelle Hall.

ASSISTANT: Hello Michelle Hall, how may I help you best?

USER: I want to go to Houston for enjoying the beer festival with my friends so, can you please avail me a flight ticket?

ASSISTANT: Sure, I am here to provide better flight. May I know your price limit that you can afford?

USER: I can afford upto 200 on ticket.

ASSISTANT: Ok, on which dates you would like to travel on?

USER: I would like to travel on 01/25 and return on 01/27.

ASSISTANT: Please mention your source and destination airport with codes?

USER: My source airport code is WA-SEA and destination airport code is TX-HOU.

ASSISTANT: Sorry to say this, no flights will run on that particular location due to tornado alert.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching us, hope to serve you again.