You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Carter.

ASSISTANT: Is there any help that I can assist you?

USER: Can you please help me in booking a ticket for direct flight?

ASSISTANT: Sure, can you please let me know your desired travel date that you have planned?

USER: My travel dates are from June 24th to June 26th.

ASSISTANT: Can you please provide your preferable airport codes?

USER: I want to start my journey from DTW to DEN.

ASSISTANT: Can you please provide your requirements?

USER: I want to return in the evening.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Sorry to say there is no flight moving towards your location to book a flight ticket.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are most welcome and have a great day. Thank you for reaching us.