You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to book a flight ticket to PHX from HOU, can you please help me out?

ASSISTANT: Sure, We are here to assist you. May I know your name?

USER: Sure, my name is Kenneth Mitchell.

ASSISTANT: Please share me your travelling dates.

USER: Sure, my planned travelling dates are Jan 08 and Jan 10.

ASSISTANT: Are you okay with an direct flight?

USER: I need 1 connected flight.

ASSISTANT: Do you have any airline preference?

USER: Yes, I prefer normal cost airline.

ASSISTANT: Give me a minute.

USER: My depart time must be in afternoon.

ASSISTANT: Ok.

USER: I need economy class.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for picking us.