You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me with booking a flight ticket from DFW to LGA?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Ok, can I know your good name please?

USER: I am Amanda Taylor.

ASSISTANT: On which dates would you like to travel?

USER: My travel dates are May 16 and 18.

ASSISTANT: Do you have any other preferences?

USER: I prefer normal cost airlines.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.