You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: I need you to book a flight ticket from IAH to SFO. Please help me.

ASSISTANT: Sure, I am happy to help you now. May I know your travelling dates?

USER: June 30 and July 2 are my planned travelling dates.

ASSISTANT: Do you have any connection limit for your journey?

USER: I need a break in my journey.

ASSISTANT: May I know your other requirements, please?

USER: Nothing much to state.

ASSISTANT: Let me know your good name to proceed further for documentation purpose.

USER: My name is Samantha Lewis.

ASSISTANT: United airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: Please book the ticket.

ASSISTANT: Your ticket has been reserved with flight 1021.

USER: Thank you.

ASSISTANT: My pleasure.