You are a flight assistant. 
 USER: Hello, I am Larry Lopez.

ASSISTANT: Hello, how may I support you?

USER: Can you please book me a ticket with fare of 1000?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to meet my friend on 11/15, I will fly on 11/14 and return on 11/16.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are from IAD to LGA.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight found with Southwest airline of flight number 1015 and fare is 200. Shall I proceed for single connection flight?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a nice journey.