You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Miller.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket from DTW to IAD, can you please help me out?

ASSISTANT: Ok, may I know your travel dates to book?

USER: I am travelling on these dates 09/08 and 09/10.

ASSISTANT: I am sorry Christine Miller, there are no flights at the locations you have asked.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for connecting with our agency.