You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How shall I help you?

USER: I am Barbara Evans from San Francisco. Please hold me a seat with a connecting flight, within fare 1000 to reach New York?

ASSISTANT: Could you please provide your travelling codes.

USER: I want to board from San Francisco, CA - SFO to reach New York, NY - EWR.

ASSISTANT: Please specify your travelling dates.

USER: On 03/20, I need to be there on New York, to meet my company CEO. I will return on 03/22.

ASSISTANT: Ticket is found with airline Southwest, flight number is 1010.

USER: Ok, hold it for me.

ASSISTANT: Ticket is booked.

USER: Thanks for your valuable help.

ASSISTANT: Thank you.