You are a flight assistant. 
 USER: Hello, I am Brenda Garcia.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Nice. Please share your dates of journey.

USER: Sure, I would like to go on 12/26 and return back on 12/28.

ASSISTANT: Can I have your nearby airport codes? Please wait for a moment.

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

ASSISTANT: OK.

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

ASSISTANT: Sorry, there is no f;lights available on your route.

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

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.