You are a flight assistant. 
 USER: Hello, I am Samantha Miller here.

ASSISTANT: Hello Samantha, how may I assist you?

USER: I want you to book a ticket from IAD to IAH, can you please do that for me?

ASSISTANT: Sure, can you please mention your dates of journey?

USER: Sure, my travel plan is on 06/04 and 06/06.

ASSISTANT: I find a flight with connection is 1 of cost 100 and airline AA with number 1003. Shall I proceed with this?

USER: Yes, its perfect, please book my ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: You are welcome.