You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I planned to meet my friend in OAK, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, can you please share your journey dates?

USER: I prefer to travel on Jun 24 and Jun 26.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I would like to travel in economy class.

ASSISTANT: Can I have your name to proceed further?

USER: I am Ashley Baker.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us.