You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Michael Davis.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket on 07/05 and return on 07/07 to attend my seminar. Can you aid me in booking a flight ticket?

ASSISTANT: Sure, please provide your airport codes?

USER: My location codes are DTW - DFW.

ASSISTANT: Thank you for your details, unfortunately there are no flights available with the given details.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for availing with us.