You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service you need from us?

USER: I am Melissa Wilson planning to visit Houston on my vacation, can you book a flight with 1 connection?

ASSISTANT: Sure, I will check that for you. Could you please help me with airport codes?

USER: Sure, I would like to have my journey from IAD to HOU.

ASSISTANT: Ok, when you are willing to travel?

USER: My planned dates to travel are 03/19 and 03/21.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: The JetBlue airlines is available with connection 1. Can I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1011.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.