You are a flight assistant. 
 USER: Hi. Myself David Walker.

ASSISTANT: Hello David, how may I guide you today?

USER: I want to book a ticket to ORD, for medical checkup of my son.

ASSISTANT: Ok, when would you takeoff?

USER: I prefer to travel from IAH as it is my nearest airport from my area.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: I am planning to depart on 10/14 and return on 10/16 since I have got only two days leave.

ASSISTANT: Ok, let me check the flight availability and I will get back to you.

USER: Ok.

ASSISTANT: Based on your details flight number 1019 from Jetblue airline is the perfect match to you. Shall I proceed with this?

USER: May I know the connection limit?

ASSISTANT: It's containing 1 connection with the fare of 200 only.

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for using our service, have a safe journey.