You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: As I am a scientist, I want to attend science festival with my students at New York, EWR. Can you help me to book a ticket from Dallas, DFW?

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: Dates are 03/08 and 03/10.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: No problem, I will check with another airline.

ASSISTANT: May I know your name?

USER: Jennifer Perez here.

ASSISTANT: Thank you for approaching us.