You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help required from my side?

USER: I want to visit Houston zoo with my friends on 07/19.

ASSISTANT: Good, Can I have your source and destination regions?

USER: My location codes are from BOS to IAH.

ASSISTANT: Ok, provide your return journey date please?

USER: My preferable travelling dates from 07/19 till 07/21.

ASSISTANT: Please wait a moment to check it.

USER: Ok.

ASSISTANT: There is a flight with UA airlines and connection is 1, can I proceed for that?

USER: Yes, proceed it.

ASSISTANT: Before proceeding may I know your name?

USER: Myself Larry King.

ASSISTANT: King, your ticket has reserved with flight number 1011. Have a safe journey.

USER: Thank you for your service.

ASSISTANT: You are welcome.