You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to celebrate my birthday at Seattle, please help me in booking a ticket from EWR to SEA.

ASSISTANT: Sure, may I know your travel dates?

USER: My planned journey dates are on Apr 27 and Apr 29.

ASSISTANT: At what time do you like to travel?

USER: I would like to return in the afternoon.

ASSISTANT: On which name do you like to travel?

USER: My name is Janet Baker.

ASSISTANT: Do you have any specification?

USER: I prefer business class for my trip and I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.