You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to fly from EWR to HOU. Can you book a ticket from that route?

ASSISTANT: Sure, please provide your trip dates.

USER: My planned travel dates are 07/12 and 07/14.

ASSISTANT: Do you prefer a direct flight?

USER: I want a flight with single connection.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with business class only.

ASSISTANT: Do you have any preferences?

USER: No more, thank you.

ASSISTANT: May I know your name?

USER: Sure, Brenda Gonzalez here.

ASSISTANT: Sorry Brenda Gonzalez, no flights are available as per your requirements.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.