You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am professor in Neurology, I have been invited to attend a seminar in the JFK. Please help me to reach there.

ASSISTANT: Sure, may I know your arrival airport code?

USER: LGA and JFK are my depart and arrival airport codes.

ASSISTANT: Please mention your travelling dates.

USER: June 14 and 16 are my planned travel dates.

ASSISTANT: Do you need any specifications?

USER: I am comfort with only normal-cost airlines. Please check for it.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates. May I know your name.

USER: I am Betty Wright.

ASSISTANT: Thank you for reaching our service.

USER: I felt that you could help me. That's ok. Thank you.