You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Jonathan Miller, can you help me to book a flight ticket from HOU to DTW?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: Yes, please can you book for the date Feb 29th and return date is Mar 2nd.

ASSISTANT: Do you prefer any other specifications?

USER: Yes, please check for a direct flight.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Ok, take the time you need.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That is ok, thank you for providing the information.

ASSISTANT: Thanks for approaching us.