You are a flight assistant. 
 USER: Hello, Stephanie Martinez here.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me to book a direct flight?

ASSISTANT: Sure, can I have your  airport codes?

USER: My airport codes are LGA and OAK.

ASSISTANT: Ok, can I know your travelling dates?

USER: I planned to travel on 07/15 and 07/17.

ASSISTANT: Ok, wait for a minute. Yes, I found a flight with Delta airlines, can I proceed with the booking?

USER: Ok, can you please provide the details of flight?

ASSISTANT: Yes Martinez, The ticket fare is 100 with the connection limit 1. Sorry Martinez, please wait a minute,I will recheck once again with the connection 0.

USER: Ok.

ASSISTANT: Sorry Martinez, no flight's found on your connections.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for contacting  us.