You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Melissa Harris.

ASSISTANT: Yes Harris, how may I assist you?

USER: I would like to meet my parents after a long gap, I would like to book a ticket.

ASSISTANT: Sure, I will help you. May I know your airport codes?

USER: My airport codes are from JFK and SEA.

ASSISTANT: Ok, please share your dates of travelling?

USER: My trip dates are from 03/26 to 03/28.

ASSISTANT: I have checked for you the best flight, but there is no flights in your route.

USER: Ok, thank you for your information.

ASSISTANT: My pleasure, thank you for reaching us.