You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Thomas.

ASSISTANT: How can I help you at this moment?

USER: I need a flight ticket from San Francisco to New York, I want to go for hospital for checkup please help me out?

ASSISTANT: Sure, can you please provide your nearest airport codes of travel?

USER: My travelling airport codes are SFO to LGA.

ASSISTANT: Can you please share your planned dates of journey to proceed further?

USER: Ok, my travelling dates are 01/19 and 01/21.

ASSISTANT: Southwest airlines is available on this route with 1 connection limit and ticket fare of 100, shall I book your ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Jacob Thomas, your ticket is booked with flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.