You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Pamela Miller here. Actually, I am looking for a flight having single connection because my friend also booked the same flight that I want to travel, so can you please help me out with booking of a flight ticket from Minneapolis on 05/16?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable origin and destination airport codes for booking?

USER: Thank you, I will prefer MSP and PHX as my origin and destination airport codes respectively.

ASSISTANT: Is there any return trip that you are planning?

USER: Yes, I would like to return on 05/18.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Oh! Sad to hear that. Anyway, I will go with another airlines to complete my journey. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a great day.

USER: Welcome.