You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel HOU and MSP, can you please reserve flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Oct,24 and Oct,26.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a connecting flight ticket.

ASSISTANT: Do you have any time preference on your booking?

USER: My depart time should be in the evening.

ASSISTANT: May I know your name for the booking process?

USER: Myself Sandra Brown.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thank you for the information.