You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I'm planning a round trip in HOU, can you please book me a ticket?

ASSISTANT: Yes, I will try for my best. Can I know your travelling dates?

USER: Sure, my planned travel dates are 12/16 and 12/18.

ASSISTANT: Give me a second, I will revert to you.

USER: Sure, take your time.

ASSISTANT: I have found a flight ticket for you with a price of 100 and 1 connection. Can I proceed to booking?

USER: Yes, please proceed booking.

ASSISTANT: Ok, can I know on which name the ticket has to be booked?

USER: My name is Anna Lewis.

ASSISTANT: Ok, your ticket is booked with Delta airlines.

USER: May I know the flight number?

ASSISTANT: Flight number is 1000. Thank you for reaching us.

USER: Fine, thank you for your help.