You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me with booking ticket from HOU to MSP?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share your travelling dates?

USER: Ok, my preferable dates are Aug 20 to 22.

ASSISTANT: Do you need any connection in between the journey?

USER: I would like to return in the afternoon time with single connection.

ASSISTANT: Ok, please let me know if you have any other preferences.

USER: I don't have any preferences.

ASSISTANT: May I know your name please?

USER: Sure, Mary Gonzalez here.

ASSISTANT: Ok, please stand by.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us, have a good day.