You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am searching for a flight from EWR to PHX, please help me with this.

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Can I have your time concern?

USER: I am comfortable with any time.

ASSISTANT: When did you choose to travel from EWR?

USER: On July 21st I want to start from EWR.

ASSISTANT: Please provide your name to proceed further.

USER: Ok, Jerry Walker is my name.

ASSISTANT: Are you willing to travel with a direct flight?

USER: Sorry, I want to travel with connecting flight only.

ASSISTANT: Ok, let me know your return date of travel.

USER: My return date is on July 23rd.

ASSISTANT: There is a flight Delta airline, flight number 1000. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you.