You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can aid you at present?

USER: Can you book a flight ticket from OAK to IAH?

ASSISTANT: Sure, please share your connection limit.

USER: I need single connection.

ASSISTANT: Can you please share your planned journey dates?

USER: My planned travel dates are Aug, 31 and Sept, 2.

ASSISTANT: May I know your good name please?

USER: Larry Rodriguez here.

ASSISTANT: Ok, please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a moment.

USER: Make sure that my depart time should be at morning.

ASSISTANT: Sure. Sorry to say that, there were no flights running to that location due to bad weather conditions.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.