You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Miller here.

ASSISTANT: Mark Miller. How can I help you?

USER: I want to attend a seminar on machine learning, so please book my ticket from CLT to PHX.

ASSISTANT: Please can you provide me with travel dates?

USER: My itinerary dates are Nov 9 and Nov 11.

ASSISTANT: D you have any class preference?

USER: No, I want to depart in the evening.

ASSISTANT: Would you like to board direct or connecting flight.

USER: I need a connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Hawaiian Airlines with flight 1018 is providing services on your route with single connection withe cost of 200 and depart time is  evening 2:00 AM, arrival  is afternoon 16:00 PM.

USER: Please book my ticket.

ASSISTANT: Your flight is booked in the economy class.

USER: Thank you.

ASSISTANT: Thank you approaching us.