You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Christine Clark here, I want to reserve my ticket from ATL to SFO, can you please help me?

ASSISTANT: Ok, let me know your travelling dates too.

USER: Sure, my preferable dates of journey are from 01/21 to 01/23.

ASSISTANT: Hold on a moment.

USER: Sure, I will wait.

ASSISTANT: There is a connecting flight-1028 with price 200, shall I confirm it?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Ok, your ticket has been done on Delta airlines.

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

ASSISTANT: Thanks for choosing us.