You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please book the flight ticket from SEA to DTW?

ASSISTANT: Yes, I can help you with that. Can you please let me know your trip dates?

USER: I have to attend a workshop on 05/08, so I will depart on 05/07 and return on 05/09.

ASSISTANT: Ok, can I have your full name to proceed further?

USER: My name is Larry Wilson.

ASSISTANT: Sorry Larry Wilson, there are no flights found in the dates you have given.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome. Thank you for choosing our travel agency.