You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a ticket from IAD to LAS to attend seminar, can you help me in booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I am departing on Feb 09 and return on Feb 11.

ASSISTANT: May I know your name?

USER: My name is Rebecca Phillips.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found United airlines with connecting flight and number 1026 fare of 100 with economy class, Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.