You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy Turner.

ASSISTANT: How can I help you today?

USER: Owing an emergency, I need a direct flight in my journey. Can you help me in booking flight ticket?

ASSISTANT: Sure, can you please provide your nearest airport codes of travelling?

USER: My source is ORD and destination is MSP.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: My travelling dates are 03/10 to 03/12.

ASSISTANT: Dorothy Turner, there are no flights available with your requirements.

USER: No issue, I will try with other alternative.

ASSISTANT: Thank you for contacting us.

USER: Thank you.