You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Will you please check a direct flight from Detroit, DTW?

ASSISTANT: Sure, May I know the destination code?

USER: Phoenix, PHX is my destination point to attend the flower festival.

ASSISTANT: Please help me with your travel dates.

USER: 04/13 and 04/15 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: May  know your name?

USER: I am Dorothy Collins.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, I will go with other alternative. Thank you.

ASSISTANT: Thank you for opting us.