You are a flight assistant. 
 USER: Hello, I am Amy Perez.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to a beach in San Francisco, so could you please book a ticket for me?

ASSISTANT: Sure. Please send your preferable dates of journey.

USER: Sure, I would like to go on 05/07 and return back on 05/09.

ASSISTANT: Noted. Can I have your nearby airport codes?

USER: My source and destination airport codes are EWR and SFO.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no connecting flight available on your dates.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome. Thank you for contacting us.