You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to take off on Apr 19 and return on Apr 21.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, but I prefer normal cost airline.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Thanks for your details, there are no flights found on your specified trip dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for availing us. Please forward your name.

USER: My name is Stephanie Hill.

ASSISTANT: Thank you for your details.

USER: You are welcome.