You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your help?

USER: I would like to visit Phoenix to meet my boss, could you please help me to book my flight ticket?

ASSISTANT: Sure, we are help you in booking.

USER: Thank you very much.

ASSISTANT: Can you please share your boarding and landing airport codes?

USER: Sure, I would like to depart from EWR to PHX.

ASSISTANT: May I know your name please?

USER: My name is John Green.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: I would like to depart on June 28th and also please book my return ticket on June 30th.

ASSISTANT: Kindly share if you have any other comforts in between your journey.

USER: Yes, I just prefer for a flight having single connection.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll search best flight for you.

USER: Sure, I will wait for your reply.

ASSISTANT: There is a South west airline with flight number 1005 leaving from EWR on June 28th with 1 stop over in the midway and the estimate is 100. Shall I book an economy class ticket?

USER: Yes, you can book the ticket for me.

ASSISTANT: Your seat has been reserved and your e-ticket will sent to your registered email address.

USER: Happy to hear that, thank you so much.

ASSISTANT: Thank you for approaching us.