You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Phillips.

ASSISTANT: How can I support you today?

USER: I need to visit Casino beach in Houston on 03/21, could you please help me in booking a ticket with fare of 1000?

ASSISTANT: Sure, please share your airport codes?

USER: My airport codes are DTW and HOU.

ASSISTANT: Let me know your return date?

USER: I intend to return on 03/23.

ASSISTANT: We found a connecting flight in UA airline the price is 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.