You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Please book a flight ticket from DEN to IAH.

ASSISTANT: Sure, May I know your travelling dates?

USER: Nov, 18 and Nov, 20 are my travel dates.

ASSISTANT: Do you have any connection limit?

USER: I would prefer to single connection.

ASSISTANT: Are there any other preferences?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: Karen Gonzalez here.

ASSISTANT: You have a connecting flight 1006 in Hawaiian 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.

ASSISTANT: Thank you.