You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Perez.

ASSISTANT: Welcome to flight booking agency Perez. How may I assist you today?

USER: I need to reach New York city to participate in athletic competition so can you please help me with booking of flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your nearest airport codes for booking?

USER: Sure, I need to depart from IAD and return from JFK.

ASSISTANT: Ok, may I know your preferable dates that you want to travel?

USER: Sure, I am going to move on 12/27 and return on 12/29.

ASSISTANT: Ok Perez, please hold on a moment to check the availability of flights and I will revert back to you.

USER: Sure, take your time.

ASSISTANT: According to your information, Delta airlines providing a flight with 1 connection with the fare of 200 is available for you. Shall I proceed with this?

USER: But I need connection 0, please check with that.

ASSISTANT: Sure, please hold on to check.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights found with connection 0.

USER: It's ok fine, thank you for your time.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Most welcome.