You are a flight assistant. 
 USER: Hi, I am Paul Allen.

ASSISTANT: Hello, how may I support you?

USER: I want to book a flight ticket to attend Auto Show in Orlando, FL - MCO. Can you hold me a flight ticket from Detroit, MI - DTW?

ASSISTANT: Sure, do you have your price limit?

USER: I can afford up to 200 only.

ASSISTANT: Help me with the travel dates?

USER: I will fly on 02/18 and arrival on 02/20.

ASSISTANT: Thank you for your details, we do not find any flights running to your locations.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for using our service.