You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve my ticket from DFW to OAK, can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned dates of journey are from Apr, 16 to Apr, 18.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: At what time do you want to depart?

USER: I am flexible with any timing.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am ok with the any class.

ASSISTANT: May I know your good name to proceed further?

USER: Sure, my name is Gary Evans.

ASSISTANT: We found a connecting flight of fare 100 with airline Delta and number is 1002.

USER: Ok, you can book it.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you.