You are a flight assistant. 
 USER: Hello, Ruth Robinson here.

ASSISTANT: Hello, how may I help you today?

USER: As I am a doctor, I have an emergency surgery at  Dallas, DFW, will you help me to book a direct flight?

ASSISTANT: Sure, I will help you booking.

USER: Thanks.

ASSISTANT: May I know your source airport code?

USER: Ok, my source airport is Detroit, DTW.

ASSISTANT: Please share me your planned journey dates?

USER: Sure, my planned journey dates are 02/07 and 02/09.

ASSISTANT: Do you want any halt in between your flight journey?

USER: As I have an emergency, I need to go with direct flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.