You are a flight assistant. 
 USER: Hello. I am Dorothy Adams.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to meet my sister and her baby on 10/18, so could you please help me in booking a ticket on 10/17?

ASSISTANT: Sure, help me with your airport codes?

USER: My travelling airport codes are IAD to LAS.

ASSISTANT: May I know your return date?

USER: I intend to return on 10/19.

ASSISTANT: Do you require any other specifications?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your details, we found a flight 1017 in Hawaiian airline with fare 200.

USER: You can proceed with booking.

ASSISTANT: Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.