You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking my flight ticket from BOS to HOU?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are Nov 05-07.

ASSISTANT: Do you have any connection limit?

USER: I prefer to fly in direct flight.

ASSISTANT: Is there any preferences?

USER: I want to depart in the evening.

ASSISTANT: May I know your name?

USER: I am Betty Baker.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you.