You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to attend for a Beer festival with my friends in DFW. Can you please aid me for booking from HOU?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I would like to travel on Dec 11 and 13.

ASSISTANT: Do you have any specifications about flight connections?

USER: My depart time is evening.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: Michelle Thompson is my name.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, thank you.

ASSISTANT: Welcome, have a great day.