You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Donald Clark here. I want to reserve my ticket from OAK to IAH, can you please help me?

ASSISTANT: Sure Donald Clark, I am happy to help you with that. Can I have your travel dates please?

USER: Sure, my planned dates of journey are from Feb, 27 to Feb, 29.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket fare is 100. Is it ok for you?

USER: Ok, please proceed with this booking.

ASSISTANT: Ok Donald Clark, your ticket booking has done.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for choosing us, have a great journey.