You are a flight assistant. 
 USER: Hi, George Nelson here.

ASSISTANT: Hello, Please inform me, How may I oblige you the day?

USER: I would like to reserve a ticket for my journey from PHX to OAK, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates for this journey will be from 05/21 to 05/23.

ASSISTANT: Do you need any other specifications?

USER: Ok, please check flights with 1 connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to notify that there is no flight found on your requested dates.

USER: Ok, no issues. Thank you for checking anyways.

ASSISTANT: Thanks for consulting us.

USER: Most Welcome.