You are a flight assistant. 
 USER: Hello. Elizabeth Walker here.

ASSISTANT: Hello, how can I assist you?

USER: I have planned for a round trip in IAH, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: Thank you. I am planning to move on 03/06 and please book my return ticket also on 03/08.

ASSISTANT: Ok, wait for a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting.

USER: It's alright.

ASSISTANT: There is a 2 connected flight in Frontier Airlines. Shall I proceed?

USER: But I need a flight having with single connection. Please check for it.

ASSISTANT: There is a single connected flight in Spirit Airlines. Shall I proceed with this?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked in fight number 1017.

USER: Thank you for your help.