You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Jennifer Taylor here. I need to attend an exam in Dallas. Can you please help me for booking the flight ticket?

ASSISTANT: I will help you with that, can you please mention your journey dates?

USER: My departure date is 10/07 and return date is 10/09.

ASSISTANT: May I know your airport codes to proceed further?

USER: My airport codes are from EWR to DFW.

ASSISTANT: Please wait for a while. I am sorry to say that there is no flight found.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for contacting us.