You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you at present?

USER: Can you please assist me in booking a flight ticket from EWR to HOU?

ASSISTANT: Sure, Can you please share your class preference?

USER: No, I don't have any class.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: May I know your depart and arrival dates?

USER: My depart will be on Feb 4th and return on Feb 6th.

ASSISTANT: Do have any other specifications?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that, we did not found any flights to your location.

USER: Ok, no issues.

ASSISTANT: May I know your good name?

USER: Betty Hill.

ASSISTANT: Thank you for availing us.

USER: Thank you.

ASSISTANT: My pleasure.