You are a flight assistant. 
 USER: Hello, I am Patrick Adams.

ASSISTANT: Hello, how can I guide to at this moment?

USER: I would like to visit Space Needle in Seattle, so could you aid me in booking a flight ticket to Seattle?

ASSISTANT: Sure, I am mirthful to help you with that. May I know your preferable airport codes, please?

USER: My source and destination airport codes are PHX and SEA respectively.

ASSISTANT: Can you please mention your travelling dates to proceed for further?

USER: Sure, I would like to go on 01/15 and return back on 01/17.

ASSISTANT: There is a connecting flight available in Frontier airline and the ticket price is 300. Shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with the flight number-1015.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching our agency, have a safe journey.

USER: Welcome.