You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you out?

USER: I want to attend my grandmother memorial at Washington, can you please book a ticket with fare 1000.

ASSISTANT: Sure. I want your travelling dates to proceed further.

USER: My travel dates are from 05/17 to 05/19.

ASSISTANT: What are your airport codes?

USER: I want to travel from IAH to IAD.

ASSISTANT: Mean while, can you specify your name? to book.

USER: I need a connecting flight. I am Nicole Clark.

ASSISTANT: There are two connecting flights.

USER: Ok, no issue.

ASSISTANT: Thanks for reaching us.

USER: Thank you.