You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Stephen Taylor.

ASSISTANT: How can I help you?

USER: I am planning to book a flight ticket from LAX to DTW, could you please check any inexpensive flight?

ASSISTANT: Sure, may I know your travel dates please?

USER: Definitely, I would like to fly on 02/20 and 02/22.

ASSISTANT: Ok, please be on hold.

USER: Ok, take your time.

ASSISTANT: As per your details, there are no flights available for you. Thank you for choosing us.