You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking the flight ticket from LGA to DFW?

ASSISTANT: Sure, please share me your travelling dates?

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

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any of the class.

ASSISTANT: Is there any airline preference?

USER: Yes, I prefer in normal cost.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: We found 1010 Untied Airline with single connection and price of 100, shall I proceed with booking?

USER: Please, proceed with the booking with the name Nicole Jones.

ASSISTANT: Your booking is done.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.