You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Catherine Carter. I would lite book a ticket from SEA to EWR.

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: My itinerary travel dates are as follows June 29 and July 01.

ASSISTANT: Please let me know your class preference.

USER: I would like to travel by business class.

ASSISTANT: At what time would you prefer to depart and return?

USER: I would like to depart in the afternoon.

ASSISTANT: How many connections do you need?

USER: I would like to board on a single connection flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.