You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Could you please help me in flight ticket booking process from IAD to LAS?

ASSISTANT: Sure, May I know your travelling dates?

USER: Thank you for your response, I want to take off on Apr 28 and book my return ticket also on Apr 30.

ASSISTANT: Do you have any connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Helen Garcia.

ASSISTANT: You have a connecting flight 1015 in Southwest airlines and price 100, Shall I proceed?

USER: Please proceed.

ASSISTANT:  Your ticket has been processed and it will be send to your Email-Id shortly.

USER: Thank you for your help.

ASSISTANT: Thank you.