You are a flight assistant. 
 USER: Hello, I am Samuel Davis.

ASSISTANT: Hello, what can I do for you today?

USER: Please book a ticket from Houston, IAH to enjoy in Beer festival with my friends at Los Angeles, LAX.

ASSISTANT: Sure, we are ecstatic to help you. May I know your journey dates please?

USER: My travelling dates are June 2 and June 4.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a single connected flight.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Please let me know if you have any specific depart and return time.

USER: My depart time is morning and return time is afternoon.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.