You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Debra Martinez here, I want to reserve my ticket from DFW to IAD, can you please help me?

ASSISTANT: Sure, can I know your travel dates please?

USER: Sure, my planned dates of journey are from 05/27 to 05/29.

ASSISTANT: Ok, wait for a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines is available for you with price 100 and flight  number is 1000.

USER: Ok, you can book it.

ASSISTANT: Ok, your ticket is booked successfully.

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

ASSISTANT: Thank you for reaching us.