You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket on dates 04/30 and 05/02, can you help me with booking please?

ASSISTANT: Sure, can you share your journey airport codes?

USER: Yes, my airport codes are EWR and SEA.

ASSISTANT: Do you have any specifications?

USER: I want a ticket under normal cost.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1013 in airline Delta, the fare is 500 in business class. Can I book it?

USER: Yes, please.

ASSISTANT: May I know your name for booking?

USER: Yes, my name is Nicholas Perez.

ASSISTANT: Your ticket is reserved, the depart time is 6:00 AM and return time is 14:00 PM.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.