You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a direct flight for my journey, can you please help me out with booking of a flight ticket?

ASSISTANT: Ok, may I know your journey dates?

USER: Sure, my departure is on Apr 14 and please book my return ticket on Apr 16.

ASSISTANT: May I know your good name?

USER: Sure, my name is Stephanie Scott.

ASSISTANT: Can you please mention your connection preference?

USER: I am looking for a direct flight.

ASSISTANT: May I know your airport codes please?

USER: Sure, I want to travel from CLT to ORD.

ASSISTANT: Do you have any other requirements?

USER: I will prefer normal cost airline for my journey.

ASSISTANT: I am very regretful to tell you, there is no flight available for your journey.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for choosing our services.

USER: Welcome.