You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret King here.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my preferable dates of journey are from Mar, 17 to Mar, 19.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait.

ASSISTANT: There is a connecting flight in Spirit airline with price 100, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1012.

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

ASSISTANT: Thank you for approaching us.