You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me in booking from HOU to DEN, as there is a conference meeting to attend?

ASSISTANT: Sure, May I know your class preference?

USER: I am comfortable in any class.

ASSISTANT: Ok, please mention your good name.

USER: I am Carolyn Turner.

ASSISTANT: Ok, please let me know your scheduled dates.

USER: My trip dates are Jan 5-7.

ASSISTANT: Ok, Do you have any other preferences?

USER: I prefer a stopover which return in afternoon.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your patience, No flights were found with your given details.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.