You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book a flight ticket from IAH to SFO?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you. I have planned my travel dates as May 31 and June 02.

ASSISTANT: Do you have any specifications?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: We found an airline UA with flight 1020 having a fare 200 with stopover. Shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: May I know your name?

USER: Sure, myself Edward Martin.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: Most welcome.